repos/blastem: cdimage.c annotate

annotate cdimage.c @ 2220:dd9d43c67986

Add support for newer controller types. Fix crash caused by new controller button types introduced in 2.0.12 and support mapping them

author	Michael Pavone <pavone@retrodev.com>
date	Fri, 02 Sep 2022 22:53:41 -0700
parents	a8af8d898a7c
children	646d1797f20d

rev	line source
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 #include <ctype.h>
2074 c5323c02dde4 Fix windows build error Michael Pavone <pavone@retrodev.com> parents: 2062 diff changeset	2 #include <string.h>
2215 a8af8d898a7c Fix windows build for real Michael Pavone <pavone@retrodev.com> parents: 2149 diff changeset	3 #include <stdlib.h>
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	4
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 #include "system.h"
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 #include "util.h"
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	7
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	8 static char* cmd_start(char *cur)
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	9 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	10 while (cur && isblank(cur))
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	11 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	12 cur++;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	13 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	14 return cur;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	15 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	16
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	17 static char* cmd_start_sameline(char *cur)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	18 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	19 while (cur && isblank(cur) && *cur != '\n')
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	20 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	21 cur++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	22 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	23 return cur;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	24 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	25
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	26 static char* word_end(char *cur)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	27 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	28 while (cur && !isblank(cur))
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	29 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	30 cur++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	31 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	32 return cur;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	33 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	34
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	35 static char* next_line(char *cur)
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	36 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	37 while (cur && cur != '\n')
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	38 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	39 cur++;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	40 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	41 if (*cur) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	42 return cur + 1;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	43 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	44 return NULL;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	45 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	46
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	47 static char* next_blank(char *cur)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	48 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	49 while (cur && !isblank(cur))
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	50 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	51 cur++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	52 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	53 return cur;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	54 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	55
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	56 static uint32_t timecode_to_lba(char *timecode)
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	57 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	58 char *end;
2149 9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	59 int seconds = 0, minutes = 0;
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	60 int frames = strtol(timecode, &end, 10);
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	61 if (end && *end == ':') {
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	62 timecode = end + 1;
2149 9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	63 seconds = frames;
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	64 frames = strtol(timecode, &end, 10);
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	65 if (end && *end == ':') {
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	66 minutes = seconds;
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	67 seconds = frames;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	68 timecode = end + 1;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	69 frames = strtol(timecode, NULL, 10);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	71 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	72 seconds += minutes * 60;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	73 return seconds * 75 + frames;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	74
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	75 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	76
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	77 enum {
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	78 FAKE_DATA = 1,
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	79 FAKE_AUDIO,
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	80 };
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	81
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	82 static uint8_t bin_seek(system_media *media, uint32_t sector)
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	83 {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	84 media->cur_sector = sector;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	85 uint32_t lba = sector;
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	86 uint32_t track;
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	87 for (track = 0; track < media->num_tracks; track++)
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	88 {
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	89 if (lba < media->tracks[track].fake_pregap) {
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	90 media->in_fake_pregap = media->tracks[track].type == TRACK_DATA ? FAKE_DATA : FAKE_AUDIO;
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	91 break;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	92 }
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	93 lba -= media->tracks[track].fake_pregap;
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	94 if (lba < media->tracks[track].start_lba) {
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	95 if (media->tracks[track].fake_pregap) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	96 media->in_fake_pregap = media->tracks[track].type == TRACK_DATA ? FAKE_DATA : FAKE_AUDIO;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	97 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	98 media->in_fake_pregap = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	99 }
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	100 break;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	101 }
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	102 if (lba < media->tracks[track].end_lba) {
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	103 media->in_fake_pregap = 0;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	104 break;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	105 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	106 }
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	107 if (track < media->num_tracks) {
0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	108 media->cur_track = track;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	109 if (!media->in_fake_pregap) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	110 if (track) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	111 lba -= media->tracks[track - 1].end_lba;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	112 }
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	113 if (media->tracks[track].has_subcodes) {
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	114 if (!media->tmp_buffer) {
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	115 media->tmp_buffer = calloc(1, 96);
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	116 }
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	117 fseek(media->tracks[track].f, media->tracks[track].file_offset + (lba + 1) * media->tracks[track].sector_bytes - 96, SEEK_SET);
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	118 int bytes = fread(media->tmp_buffer, 1, 96, media->tracks[track].f);
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	119 if (bytes != 96) {
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	120 fprintf(stderr, "Only read %d subcode bytes\n", bytes);
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	121 }
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	122 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	123 fseek(media->tracks[track].f, media->tracks[track].file_offset + lba * media->tracks[track].sector_bytes, SEEK_SET);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	124 }
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	125 }
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	126 return track;
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	127 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	128
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	129 static uint8_t fake_read(uint32_t sector, uint32_t offset)
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	130 {
2142 d9151d0894c7 Fix some CD-ROM emulation issues Michael Pavone <pavone@retrodev.com> parents: 2140 diff changeset	131 if (!offset \|\| offset == 11 \|\| (offset >= 16)) {
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	132 return 0;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	133 //TODO: error detection and correction bytes
2142 d9151d0894c7 Fix some CD-ROM emulation issues Michael Pavone <pavone@retrodev.com> parents: 2140 diff changeset	134 } else if (offset < 11) {
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	135 return 0xFF;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	136 } else if (offset == 12) {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	137 uint32_t minute = (sector / 75) / 60;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	138 return (minute % 10) \| ((minute / 10 ) << 4);
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	139 } else if (offset == 13) {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	140 uint32_t seconds = (sector / 75) % 60;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	141 return (seconds % 10) \| ((seconds / 10 ) << 4);
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	142 } else if (offset == 14) {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	143 uint32_t frames = sector % 75;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	144 return (frames % 10) \| ((frames / 10 ) << 4);
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	145 } else {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	146 return 1;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	147 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	148 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	149
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	150 static uint8_t bin_read(system_media *media, uint32_t offset)
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	151 {
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	152 if (media->in_fake_pregap == FAKE_DATA) {
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	153 return fake_read(media->cur_sector, offset);
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	154 } else if (media->in_fake_pregap == FAKE_AUDIO) {
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	155 return 0;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	156 } else if ((media->tracks[media->cur_track].sector_bytes < 2352 && offset < 16) \|\| offset > (media->tracks[media->cur_track].sector_bytes + 16)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	157 return fake_read(media->cur_sector, offset);
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	158 } else {
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	159 if (media->tracks[media->cur_track].need_swap) {
0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	160 if (offset & 1) {
0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	161 return media->byte_storage;
0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	162 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	163 media->byte_storage = fgetc(media->tracks[media->cur_track].f);
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	164 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	165 return fgetc(media->tracks[media->cur_track].f);
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	166 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	167 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	168
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	169 static uint8_t bin_subcode_read(system_media *media, uint32_t offset)
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	170 {
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	171 if (media->in_fake_pregap \|\| !media->tracks[media->cur_track].has_subcodes) {
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	172 //TODO: Fake PQ subcodes
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	173 return 0;
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	174 }
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	175 //TODO: Translate "cooked" subcodes back to raw format
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	176 return media->tmp_buffer[offset];
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	177 }
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	178
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	179 uint8_t parse_cue(system_media *media)
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	180 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	181 char *line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	182 media->num_tracks = 0;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	183 do {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	184 char *cmd = cmd_start(line);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	185 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	186 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	187 media->num_tracks++;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	188 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	189 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	190 } else {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	191 line = NULL;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	192 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	193 } while (line);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	194 track_info *tracks = calloc(sizeof(track_info), media->num_tracks);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	195 media->tracks = tracks;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	196 line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	197 int track = -1;
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	198 uint8_t audio_byte_swap = 0;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	199 FILE *f = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	200 int track_of_file = -1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	201 uint8_t has_index_0 = 0;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	202 do {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	203 char *cmd = cmd_start(line);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	204 if (*cmd) {
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	205 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	206 track++;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	207 track_of_file++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	208 has_index_0 = 0;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	209 cmd += 6;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	210 char *end;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	211 int file_track = strtol(cmd, &end, 10);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	212 if (file_track != (track + 1)) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	213 warning("Expected track %d, but found track %d in CUE sheet\n", track + 1, file_track);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	214 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	215 tracks[track].f = f;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	216
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	217
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	218 cmd = cmd_start(end);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	219 if (*cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	220 if (startswith(cmd, "AUDIO")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	221 tracks[track].type = TRACK_AUDIO;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	222 tracks[track].need_swap = audio_byte_swap;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	223 tracks[track].sector_bytes = 2352;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	224 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	225 tracks[track].type = TRACK_DATA;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	226 tracks[track].need_swap = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	227 tracks[track].sector_bytes = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	228 char *slash = strchr(cmd, '/');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	229 if (slash) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	230 tracks[track].sector_bytes = atoi(slash+1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	231 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	232 if (!tracks[track].sector_bytes) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	233 warning("Missing sector size for data track %d in cue", track + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	234 tracks[track].sector_bytes = 2352;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	235 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	236 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	237
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	238 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	239 } else if (startswith(cmd, "FILE ")) {
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	240 cmd += 5;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	241 cmd = strchr(cmd, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	242 if (cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	243 cmd++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	244 char *end = strchr(cmd, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	245 if (end) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	246 char *fname;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	247 //TODO: zipped BIN/CUE support
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	248 if (is_absolute_path(cmd)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	249 fname = malloc(end-cmd + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	250 memcpy(fname, cmd, end-cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	251 fname[end-cmd] = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	252 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	253 size_t dirlen = strlen(media->dir);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	254 fname = malloc(dirlen + 1 + (end-cmd) + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	255 memcpy(fname, media->dir, dirlen);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	256 fname[dirlen] = PATH_SEP[0];
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	257 memcpy(fname + dirlen + 1, cmd, end-cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	258 fname[dirlen + 1 + (end-cmd)] = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	259 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	260 f = fopen(fname, "rb");
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	261 if (!f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	262 fatal_error("Failed to open %s specified by FILE command in CUE sheet %s.%s\n", fname, media->name, media->extension);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	263 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	264 free(fname);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	265 track_of_file = -1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	266 for (end++; end && end != '\n' && *end != '\r'; end++)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	267 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	268 if (!isspace(*end)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	269 if (startswith(end, "BINARY")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	270 audio_byte_swap = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	271 } else if (startswith(end, "MOTOROLA")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	272 audio_byte_swap = 1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	273 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	274 warning("Unsupported FILE type in CUE sheet. Only BINARY and MOTOROLA are supported\n");
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	275 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	276 break;
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	277 }
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	278 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	279 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	280 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	281 } else if (track >= 0) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	282 if (startswith(cmd, "PREGAP ")) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	283 tracks[track].fake_pregap = timecode_to_lba(cmd + 7);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	284 } else if (startswith(cmd, "INDEX ")) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	285 char *after;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	286 int index = strtol(cmd + 6, &after, 10);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	287 uint8_t has_start_lba = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	288 uint32_t start_lba;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	289 if (!index) {
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	290 tracks[track].pregap_lba = start_lba = timecode_to_lba(after);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	291 has_index_0 = 1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	292 has_start_lba = 1;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	293 } else if (index == 1) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	294 tracks[track].start_lba = timecode_to_lba(after);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	295 if (!has_index_0) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	296 start_lba = tracks[track].start_lba;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	297 has_start_lba = 1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	298 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	299 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	300 if (has_start_lba) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	301 if (track > 0) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	302 tracks[track-1].end_lba = start_lba;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	303 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	304 if (track_of_file > 0) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	305 tracks[track].file_offset = tracks[track-1].file_offset + tracks[track-1].end_lba * tracks[track-1].sector_bytes;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	306 if (track_of_file > 1) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	307 tracks[track].file_offset -= tracks[track-2].end_lba * tracks[track-1].sector_bytes;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	308 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	309 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	310 tracks[track].file_offset = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	311 }
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	312 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	313 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	314 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	315 if (cmd && *cmd) {
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	316 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	317 } else {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	318 line = NULL;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	319 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	320 } else {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	321 line = NULL;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	322 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	323 } while (line);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	324 if (media->num_tracks > 0 && media->tracks[0].f) {
2143 67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	325 //end of last track in a file is implictly based on the size
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	326 f = tracks[0].f;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	327 uint32_t offset = 0;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	328 for (int track = 0; track < media->num_tracks; track++) {
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	329 if (track == media->num_tracks - 1 && tracks[track].f) {
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	330 uint32_t start_lba =tracks[track].fake_pregap ? tracks[track].start_lba : tracks[track].pregap_lba;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	331 tracks[track].end_lba = start_lba + (file_size(tracks[track].f) - tracks[track].file_offset)/ tracks[track].sector_bytes;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	332 } else if (tracks[track].f != f) {
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	333 uint32_t start_lba =tracks[track-1].fake_pregap ? tracks[track-1].start_lba : tracks[track-1].pregap_lba;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	334 tracks[track-1].end_lba = start_lba + (file_size(tracks[track-1].f) - tracks[track-1].file_offset)/ tracks[track-1].sector_bytes;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	335 offset = tracks[track-1].end_lba;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	336 }
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	337 if (!tracks[track].fake_pregap) {
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	338 tracks[track].pregap_lba += offset;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	339 }
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	340 tracks[track].start_lba += offset;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files Michael Pavone <pavone@retrodev.com> parents: 2142 diff changeset	341 tracks[track].end_lba += offset;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	342 }
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	343 //replace cue sheet with first sector
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	344 free(media->buffer);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	345 media->buffer = calloc(2048, 1);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	346 if (tracks[0].type == TRACK_DATA && tracks[0].sector_bytes == 2352) {
2062 07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator Michael Pavone <pavone@retrodev.com> parents: 2061 diff changeset	347 // if the first track is a data track, don't trust the CUE sheet and look at the MM:SS:FF from first sector
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator Michael Pavone <pavone@retrodev.com> parents: 2061 diff changeset	348 uint8_t msf[3];
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	349 fseek(tracks[0].f, 12, SEEK_SET);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	350 if (sizeof(msf) == fread(msf, 1, sizeof(msf), tracks[0].f)) {
2062 07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator Michael Pavone <pavone@retrodev.com> parents: 2061 diff changeset	351 tracks[0].fake_pregap = msf[2] + (msf[0] * 60 + msf[1]) * 75;
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator Michael Pavone <pavone@retrodev.com> parents: 2061 diff changeset	352 }
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	353 } else if (!tracks[0].start_lba && !tracks[0].fake_pregap) {
0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	354 tracks[0].fake_pregap = 2 * 75;
2062 07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator Michael Pavone <pavone@retrodev.com> parents: 2061 diff changeset	355 }
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator Michael Pavone <pavone@retrodev.com> parents: 2061 diff changeset	356
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	357 fseek(tracks[0].f, tracks[0].sector_bytes >= 2352 ? 16 : 0, SEEK_SET);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	358 media->size = fread(media->buffer, 1, 2048, tracks[0].f);
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	359 media->seek = bin_seek;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	360 media->read = bin_read;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	361 media->read_subcodes = bin_subcode_read;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	362 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	363 uint8_t valid = media->num_tracks > 0 && media->tracks[0].f != NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	364 media->type = valid ? MEDIA_CDROM : MEDIA_CART;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	365 return valid;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	366 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	367
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	368 uint8_t parse_toc(system_media *media)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	369 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	370 char *line = media->buffer;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	371 media->num_tracks = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	372 do {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	373 char *cmd = cmd_start(line);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	374 if (cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	375 if (startswith(cmd, "TRACK ")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	376 media->num_tracks++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	377 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	378 line = next_line(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	379 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	380 line = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	381 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	382 } while (line);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	383 track_info *tracks = calloc(sizeof(track_info), media->num_tracks);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	384 media->tracks = tracks;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	385 line = media->buffer;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	386 char *last_file_name = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	387 FILE *f = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	388 int track = -1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	389 do {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	390 char *cmd = cmd_start(line);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	391 if (*cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	392 if (startswith(cmd, "TRACK ")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	393 track++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	394 cmd = cmd_start(cmd + 6);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	395 if (startswith(cmd, "AUDIO")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	396 tracks[track].type = TRACK_AUDIO;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	397 tracks[track].sector_bytes = 2352;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	398 tracks[track].need_swap = 1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	399 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	400 tracks[track].type = TRACK_DATA;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	401 tracks[track].need_swap = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	402 if (startswith(cmd, "MODE1_RAW") \|\| startswith(cmd, "MODE2_RAW")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	403 tracks[track].sector_bytes = 2352;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	404 } else if (startswith(cmd, "MODE2_FORM2")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	405 tracks[track].sector_bytes = 2324;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	406 } else if (startswith(cmd, "MODE1") \|\| startswith(cmd, "MODE2_FORM1")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	407 tracks[track].sector_bytes = 2048;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	408 } else if (startswith(cmd, "MODE2")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	409 tracks[track].sector_bytes = 2336;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	410 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	411 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	412 cmd = word_end(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	413 if (cmd && cmd != '\n') {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	414 cmd = cmd_start_sameline(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	415 if (cmd && cmd != '\n') {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	416 //TODO: record whether subcode is in raw format or not
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	417 if (startswith(cmd, "RW_RAW")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	418 tracks[track].sector_bytes += 96;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	419 tracks[track].has_subcodes = SUBCODES_RAW;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	420 } else if (startswith(cmd, "RW")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	421 tracks[track].sector_bytes += 96;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	422 tracks[track].has_subcodes = SUBCODES_COOKED;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	423 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	424 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	425 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	426 if (track) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	427 tracks[track].start_lba = tracks[track].pregap_lba = tracks[track].end_lba = tracks[track-1].end_lba;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	428 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	429 } else if (track >= 0) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	430 uint8_t is_datafile = startswith(cmd, "DATAFILE");
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	431 if (is_datafile \|\| startswith(cmd, "FILE")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	432
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	433 if (tracks[track].f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	434 warning("TOC file has more than one file for track %d, only one is supported\n", track + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	435 } else {
2140 6d0de02a068a Fix bug in TOC parser Michael Pavone <pavone@retrodev.com> parents: 2122 diff changeset	436 cmd += is_datafile ? 8 : 4;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	437 char *fname_start = strchr(cmd, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	438 if (fname_start) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	439 ++fname_start;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	440 char *fname_end = strchr(fname_start, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	441 if (fname_end) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	442 if (!last_file_name \|\| strncmp(last_file_name, fname_start, fname_end-fname_start)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	443 free(last_file_name);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	444 last_file_name = calloc(1, 1 + fname_end-fname_start);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	445 memcpy(last_file_name, fname_start, fname_end-fname_start);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	446 char *fname;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	447 //TODO: zipped BIN/TOC support
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	448 if (is_absolute_path(last_file_name)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	449 fname = last_file_name;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	450 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	451 size_t dirlen = strlen(media->dir);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	452 fname = malloc(dirlen + 1 + (fname_end-fname_start) + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	453 memcpy(fname, media->dir, dirlen);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	454 fname[dirlen] = PATH_SEP[0];
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	455 memcpy(fname + dirlen + 1, fname_start, fname_end-fname_start);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	456 fname[dirlen + 1 + (fname_end-fname_start)] = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	457 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	458 f = fopen(fname, "rb");
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	459 if (!f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	460 fatal_error("Failed to open %s specified by DATAFILE command in TOC file %s.%s\n", fname, media->name, media->extension);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	461 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	462 if (fname != last_file_name) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	463 free(fname);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	464 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	465 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	466 tracks[track].f = f;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	467 cmd = fname_end + 1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	468 cmd = cmd_start_sameline(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	469 if (*cmd == '#') {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	470 char *end;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	471 tracks[track].file_offset = strtol(cmd + 1, &end, 10);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	472 cmd = cmd_start_sameline(end);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	473 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	474 if (!is_datafile) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	475 if (isdigit(*cmd)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	476 uint32_t start = timecode_to_lba(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	477 tracks[track].file_offset += start * tracks[track].sector_bytes;
2149 9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	478 cmd = cmd_start_sameline(cmd);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	479 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	480 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	481 if (isdigit(*cmd)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	482 uint32_t length = timecode_to_lba(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	483 tracks[track].end_lba += length;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	484 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	485 long fsize = file_size(f);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	486 tracks[track].end_lba += fsize - tracks[track].file_offset;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	487 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	488 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	489 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	490 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	491 } else if (startswith(cmd, "SILENCE")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	492 cmd = cmd_start_sameline(cmd + 7);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	493 tracks[track].fake_pregap += timecode_to_lba(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	494 } else if (startswith(cmd, "START")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	495 cmd = cmd_start_sameline(cmd + 5);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	496 tracks[track].start_lba = tracks[track].pregap_lba + timecode_to_lba(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	497 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	498 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	499 if (cmd && *cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	500 line = next_line(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	501 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	502 line = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	503 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	504 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	505 line = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	506 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	507 } while (line);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	508 if (media->num_tracks > 0 && media->tracks[0].f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	509 //replace cue sheet with first sector
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	510 free(media->buffer);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	511 media->buffer = calloc(2048, 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	512 if (tracks[0].type == TRACK_DATA && tracks[0].sector_bytes == 2352) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	513 // if the first track is a data track, don't trust the TOC file and look at the MM:SS:FF from first sector
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	514 uint8_t msf[3];
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	515 fseek(tracks[0].f, 12, SEEK_SET);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	516 if (sizeof(msf) == fread(msf, 1, sizeof(msf), tracks[0].f)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	517 tracks[0].fake_pregap = msf[2] + (msf[0] * 60 + msf[1]) * 75;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	518 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	519 } else if (!tracks[0].start_lba && !tracks[0].fake_pregap) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	520 tracks[0].fake_pregap = 2 * 75;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	521 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	522
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	523 fseek(tracks[0].f, tracks[0].sector_bytes == 2352 ? 16 : 0, SEEK_SET);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	524 media->size = fread(media->buffer, 1, 2048, tracks[0].f);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	525 media->seek = bin_seek;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	526 media->read = bin_read;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	527 media->read_subcodes = bin_subcode_read;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	528 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	529 uint8_t valid = media->num_tracks > 0 && media->tracks[0].f != NULL;
2061 7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU Michael Pavone <pavone@retrodev.com> parents: 2059 diff changeset	530 media->type = valid ? MEDIA_CDROM : MEDIA_CART;
7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU Michael Pavone <pavone@retrodev.com> parents: 2059 diff changeset	531 return valid;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	532 }
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	533
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	534 uint32_t make_iso_media(system_media media, const char filename)
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	535 {
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	536 FILE *f = fopen(filename, "rb");
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	537 if (!f) {
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	538 return 0;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	539 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	540 media->buffer = calloc(2048, 1);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	541 media->size = fread(media->buffer, 1, 2048, f);
2079 5a2b759f6b2d BIOS doesn't like it if TOC read happens too quickly Michael Pavone <pavone@retrodev.com> parents: 2076 diff changeset	542 media->num_tracks = 1;
5a2b759f6b2d BIOS doesn't like it if TOC read happens too quickly Michael Pavone <pavone@retrodev.com> parents: 2076 diff changeset	543 media->tracks = calloc(sizeof(track_info), 1);
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	544 media->tracks[0] = (track_info){
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	545 .f = f,
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	546 .file_offset = 0,
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	547 .fake_pregap = 2 * 75,
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	548 .start_lba = 0,
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	549 .end_lba = file_size(f),
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	550 .sector_bytes = 2048,
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	551 .has_subcodes = SUBCODES_NONE,
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	552 .need_swap = 0,
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	553 .type = TRACK_DATA
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	554 };
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	555 media->type = MEDIA_CDROM;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	556 media->seek = bin_seek;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	557 media->read = bin_read;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	558 media->read_subcodes = bin_subcode_read;
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	559 return media->size;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	560 }

Mercurial > repos > blastem

annotate cdimage.c @ 2220:dd9d43c67986